THIS SHAM-ROCKS: Check out the Greenest Block Party in town with the annual miller light ShamROCK 2010. Check out performances by the Fooks and Young Dubliners, as well as step dancers and more. The fun begins at 4 p.m and takes place in the Gaslamp, call 233-5008 for details. Admission begins at $20.
PHOTO FINISH: Don Bartletti, Los Angeles Times photojournalist and Pulitzer Prize Winner will be speaking for the Sierra Club photography section meeting at 7 p.m at the Museum of Photographic Arts. Admission is free. Call 619-238-7559 for details.
ROCK 'N ROLL STEW: If you're not feeling the downtown scene, Bar Pink in North Park is throwing a St. Patty's day shindig of their own featuring DJ Mikey Face and DJ Angie. Festivities begin at 10 p.m. Call 619-564-7194 for details.